Saul of Tarsus became Paul

[Minimalist]

Acts is a pile of shit.

http://www.bibleinterp.com/opeds/actapo358006.shtml

Although these suggestions are plausible, the virtue of a late date for the composition of Acts lies in its ability to cite a known and datable historical situation which would provide a meaningful context to which Acts responds. In the first half of the second century, important Christian concepts were still in the process of being formulated. A major contributor to this proc-ess was Marcion of Sinope.